Toyin Ajayi

Toyin Ajayi, MD

Chief Health Officer

Cityblock Health


Toyin Ajayi is Chief Health Officer of Cityblock Health, a New York-based health and social services company focused on enabling a path to healthier communities through a digitally-enabled, integrated medical, behavioral health and social service delivery model for low-income Medicaid populations with complex needs.

Prior to this, Toyin served as Chief Medical Officer of Commonwealth Care Alliance, a nationally-renowned integrated health plan, and care delivery system for individuals dually-eligible for Medicare and Medicaid. In this role, she led clinical operations, spearheaded care delivery innovations and oversaw multi-disciplinary teams of clinicians, community health workers and administrators serving more than 20,000 beneficiaries across the state of Massachusetts.

Toyin received her undergraduate degree from Stanford University; an MPhil from the University of Cambridge; and her medical degree, with Distinction in Clinical Practice, from King’s College London School of Medicine. She completed her residency training at Boston Medical Center. Toyin is a board-certified Family Physician and continues to practice primary care and hospital medicine focused on patients with chronic, complex and end-of-life needs.

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